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Determination of stiffness and strength parameters for the hardening soil model based on the simplicial homology global optimization and triaxial compressive test. [PDF]
Li B, Zhang Y, Liu H, Wang Z, Zhao H.
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Catching the π-Stacks: Prediction of Aggregate Structures of Porphyrin. [PDF]
Elmanova A, Jahn BO, Presselt M.
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Hypersurface homogeneous and hypersurface self-similar models
Classical and Quantum Gravity, 1997Dynamical systems for hypersurface homogeneous and hypersurface self-similar models with non-null symmetry surfaces are derived. The equations are cast in a geometric form based on properties of the symmetry surfaces that emphasize the close connection between the various models. Perfect fluid models are discussed in particular.
Ulf S. Nilsson, Claes Uggla, Claes Uggla
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